Feather is the new development board from Adafruit, and like it's namesake it is thin, light, and lets you fly!
Adafruit designed Feather to be a new standard for portable microcontroller cores.This is the Adafruit Feather HUZZAH…

The pyboard is a compact and powerful electronics development board that runs MicroPython. It connects to your PC over USB, giving you a USB flash drive to save your Python scripts, and a serial Python prompt (a REPL) for instant…